Home / 2,037.70-2,812.20-1,153.66

Finding the Fourth Proportional to 2,037.70, 2,812.20 and 1,153.66

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Solution

The fourth proportional to 2,037.70, 2,812.20 and 1,153.66 is: 1,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.70 : 2,812.20 = 1,153.66 : x
  2. Step 2: Convert to fraction form
    2,037.70/2,812.20 = 1,153.66/x
  3. Step 3: Cross multiply
    2,037.70x = 2,812.20 × 1,153.66
  4. Step 4: Simplify right side
    2,037.70x = 3,244,322.65
  5. Step 5: Solve for x
    x = 3,244,322.65/2,037.70
  6. Step 6: Final answer
    x = 1,592.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.